Home / 628,228.77-867,276.77-484,666.53

Finding the Fourth Proportional to 628,228.77, 867,276.77 and 484,666.53

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Solution

The fourth proportional to 628,228.77, 867,276.77 and 484,666.53 is: 669,087.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,228.77 : 867,276.77 = 484,666.53 : x
  2. Step 2: Convert to fraction form
    628,228.77/867,276.77 = 484,666.53/x
  3. Step 3: Cross multiply
    628,228.77x = 867,276.77 × 484,666.53
  4. Step 4: Simplify right side
    628,228.77x = 420,340,020,242.18
  5. Step 5: Solve for x
    x = 420,340,020,242.18/628,228.77
  6. Step 6: Final answer
    x = 669,087.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.